BioMed Research International / 2021 / Article / Tab 1 / Research Article
B7-H4 Expression in Precancerous Lesions of the Uterine Cervix Table 1 Patient characteristics as well as factors associated with the absence of lesions in excised conization tissues in patients who had undergone uterine cervical biopsies (
).Characteristics Group Lesion in excision specimens, (%) valuePresent Absent Age (years) ≤35 277 245 (88.4) 32 (11.6) 0.413 >35 530 458 (86.4) 72 (13.6) Menopause Yes 65 45 (69.2) 20 (30.8) <0.001 No 742 658 (88.7) 84 (11.3) Referral cytology NILM 43 36 (83.7) 7 (16.3) 0.038 ASCUS/LSIL 377 323 (85.7) 54 (14.3) ASC-H/HSIL 210 196 (93.3) 14 (6.6) Cancer 7 6 (85.7) 1 (14.3) Referral HPV DNA ( ) Positive 577 501 (86.8) 76 (13.2) 0.01 Negative 54 40 (74.0) 14 (26.0) Punch biopsy CIN1 43 34 (79.0) 9 (20.9) <0.01 CIN2 259 206 (79.5) 53 (20.5) CIN3 504 462 (91.7) 42 (8.3) Number of biopsies <4 134 119 (88.8) 15 (11.2) 0.760 4 612 532 (86.9) 80 (13.1) >4 61 52 (85.2) 9 (14.8) Colposcopy examination ( ) Adequacy 327 292 (89.3) 35 (10.7) 0.039 Inadequacy 84 68 (81.0) 16 (19.0) Glandular involvement ( ) Free 418 348 (83.3) 70 (16.7) <0.01 Involved 379 347 (91.6) 32 (8.4) Depth of conization ≤18 mm 333 279 (83.8) 54 (16.2) 0.022 >18 mm 468 418 (89.3) 50 (10.7) Interval between biopsy and excision (months) <1 428 370 (86.4) 58 (13.6) 0.918 1–2 153 134 (87.6) 19 (12.4) 2–3 29 24 (82.8) 5 (17.2) >3 30 26 (86.7) 4 (13.3) Conization methods CKC 563 502 (89.2) 61 (10.8) 0.008 LEEP 243 200 (82.3) 43 (17.7)
CKC: cold knife conization; LEEP: loop electrosurgical excision procedure; CIN: cervical intraepithelial neoplasia; HPV: human papilloma virus; TCT: thin-prep test; ASCUS: atypical squamous cells; LSIL: low-grade squamous intraepithelial lesion; ASC-H: atypical squamous cells (cannot exclude high-grade squamous intraepithelial lesions); HSIL: high-grade squamous intraepithelial lesion; NILM: negative for intraepithelial lesion or malignancy.